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| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2009-11-23 15:53:52 -0500 |
|---|---|---|
| committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-11-23 15:53:52 -0500 |
| commit | 475cba4ec8ee6b427cc3567692e6f48dd483c069 (patch) | |
| tree | bb62796f5ec2dc242ab83c7efd5d332b6b452dfd /include/linux/sctp.h | |
| parent | dc63d3771cc6492220f53caf5fded6090d45d9ce (diff) | |
| download | lwn-475cba4ec8ee6b427cc3567692e6f48dd483c069.tar.gz lwn-475cba4ec8ee6b427cc3567692e6f48dd483c069.zip | |
sctp: implement definition for SACK-IMMEDIATELY extension
This patch implement the definition for SACK-IMMEDIATELY
extension.
Section 3. The I-bit in the DATA Chunk Header
The following Figure 1 shows the extended DATA chunk.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 0 | Res |I|U|B|E| Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| TSN |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stream Identifier | Stream Sequence Number |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Payload Protocol Identifier |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
\ \
/ User Data /
\ \
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 1
The only difference between the DATA chunk in Figure 1 and the DATA
chunk defined in [RFC4960] is the addition of the I-bit in the flags
field of the chunk header.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'include/linux/sctp.h')
| -rw-r--r-- | include/linux/sctp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sctp.h b/include/linux/sctp.h index b464b9d3d242..c20d3ce673c0 100644 --- a/include/linux/sctp.h +++ b/include/linux/sctp.h @@ -242,6 +242,7 @@ enum { SCTP_DATA_FIRST_FRAG = 0x02, SCTP_DATA_NOT_FRAG = 0x03, SCTP_DATA_UNORDERED = 0x04, + SCTP_DATA_SACK_IMM = 0x08, }; enum { SCTP_DATA_FRAG_MASK = 0x03, }; |